CN103187766B - The recognition methods processed of the electricity of external power source and device when charging electric vehicle - Google Patents

The recognition methods processed of the electricity of external power source and device when charging electric vehicle Download PDF

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Publication number
CN103187766B
CN103187766B CN201210592107.0A CN201210592107A CN103187766B CN 103187766 B CN103187766 B CN 103187766B CN 201210592107 A CN201210592107 A CN 201210592107A CN 103187766 B CN103187766 B CN 103187766B
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external power
power source
phase
charging
phase voltage
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CN103187766A (en
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张鑫鑫
李帅辉
唐甫
汤哲晴
梁岂源
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BYD Co Ltd
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BYD Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Secondary Cells (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The electricity of external power source recognition methods processed when the present invention proposes a kind of charging electric vehicle, comprises the following steps: the electricity system of external power source identification socket when charging gun is inserted to described charging electric vehicle, and wherein, described charging gun is connected with external power source; After described charging gun and described charging socket are confirmed to be connected, obtain the first zero and second zero point of the first-phase voltage of described charging socket input, and obtain the virtual value of described first-phase voltage to third phase voltage; According to the described first zero with obtain the frequency information of described external power source the second zero point; Determine the electricity system of described external power source to the virtual value of third phase voltage and described frequency information according to described first-phase voltage. The electricity of external power source recognition device processed when the present invention also proposes a kind of charging electric vehicle. The present invention does not rely on charging cabinet, has good charging versatility, has saved cost.

Description

The recognition methods processed of the electricity of external power source and device when charging electric vehicle
Technical field
The present invention relates to electric vehicle engineering field, particularly the electricity system identification side of external power source when a kind of charging electric vehicleMethod and device.
Background technology
Along with scientific and technological development, the electric automobile of environmental protection and energy saving is being played the part of the role who replaces fuel vehicle, but electronicThe universal of automobile is also faced with some problems, and wherein high course continuation mileage and efficiently charging technique, become electronic vapourThe a great problem that car is promoted.
At present, electric automobile adopts jumbo battery mostly, although can improve the flying power of electric automobile,Same jumbo battery has brought again long problem of charging interval. Although the DC charging station of specialty can be fastFor battery charges, but the problem such as cost and larger floor space of great number makes the universal face of going back of this infrastructureFacing certain difficulty, simultaneously again due to the limited space of vehicle, onboard charger is subject to the restriction of volume and cannot expiresFoot charge power.
The charging scheme of taking on market now has following several:
Scheme (1): as depicted in figs. 1 and 2, the vehicle-mounted charge and discharge device in this scheme mainly comprises that three phase mains becomesDepressor 1 ', six Thyristor compositions three-phase bridge circuit 2 ', constant-pressure control device AUR and constant-current control devicesACR, but this scheme serious waste space and cost.
Scheme (2): as shown in Figure 3, the vehicle-mounted charge and discharge device in this scheme installs two for adapting to the charging of list/three-phaseIndividual charging socket 15 ', 16 ', has increased cost; The filtering that motor driving loop comprises inductance L 1 ' and capacitor C 1 ' compositionModule, in the time that motor drives, three-phase current after filtering module produces loss, is the waste to battery electric quantity; The partyWhen case discharges and recharges work, inverter 13 ' carries out rectification/inversion to alternating current, and after rectification/inversion, voltage is unadjustable, is suitable forBattery operated voltage range is narrow.
In sum, the AC charging technology taked in the market adopts individual event charging technique mostly, and this technology is deposited, charging interval little at charge power is long, hardware volume is large, function singleness, be limited to the voltage of different regions electrical networkThe shortcomings such as grade restriction. And current electric automobile need to use special charging cabinet, rely on charging cabinet, needBuild different circuit according to the difference of external power supply and realize charging. Need to expend so larger hardware cost, and fillThe versatility of electric system is not good, can not realize chargeable everywhere, very flexible.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least to a certain extent. For this reason, one object of the present invention isThe electricity recognition methods processed of external power source while proposing a kind of charging electric vehicle with good charging versatility. Of the present inventionThe electricity of external power source recognition device processed when another object is to propose a kind of charging electric vehicle.
For achieving the above object, the electricity system of external power source when the embodiment of first aspect present invention proposes a kind of charging electric vehicleRecognition methods, while comprising the steps: charging gun to insert described charging electric vehicle, the identification of the electricity system of external power source is insertedSeat, wherein, described charging gun is connected with external power source;
After described charging gun and described charging socket are confirmed to be connected, obtain the first-phase electricity of described charging socket inputThe first zero and second zero point of pressing, and obtain the virtual value of described first-phase voltage to third phase voltage;
According to the described first zero with obtain the frequency information of described external power source the second zero point; And
Determine described external power source according to described first-phase voltage to virtual value and the described frequency information of third phase voltageElectricity system.
The electricity recognition methods processed of external power source during according to the charging electric vehicle of the embodiment of the present invention, according to the feelings of external power supplyCondition, the standard of the electricity system of automatic decision access, and according to result of determination, automatically select correspondingly control strategy to carry outCharging, selects the different control strategies to realize the charging of different electrical power type thus, has saved and has built hardware circuitCost, also makes the compatibility of charging system better, and reliability is higher.
The electricity of external power source recognition device processed when the embodiment of second aspect present invention proposes a kind of charging electric vehicle, bagDraw together: charging socket, for inserting and interconnect with charging gun, wherein, described charging gun is connected with external power source; ObtainDelivery piece, for after described charging gun and described charging socket are confirmed to be connected, obtains that described charging socket inputsThe first zero of first-phase voltage and the second zero point, and obtain the virtual value of described first-phase voltage to third phase voltage,And according to the described first zero with obtain the frequency information of described external power source the second zero point; Electricity identification module processed, usesIn determine described external power source according to described first-phase voltage to the virtual value of third phase voltage and described frequency informationElectricity system.
The electricity recognition device processed of external power source during according to the charging electric vehicle of the embodiment of the present invention, according to external power supplySituation, the standard of the electricity system of automatic decision access, and according to result of determination, automatically select correspondingly control strategy to enterRow charging, selects different control strategies to realize the charging of different electrical power type thus, has saved structure hardware circuitCost, also make the compatibility of charging system better, reliability is higher.
Additional aspect of the present invention and advantage in the following description part provide, and part will become bright from the following descriptionAobvious, or recognize by practice of the present invention.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present invention and advantage from conjunction with below accompanying drawing to the description of embodiment, will become obviously withEasily understand, wherein:
Fig. 1 is the circuit diagram of existing a kind of vehicle-mounted charge and discharge device;
Fig. 2 is the control schematic diagram of existing a kind of vehicle-mounted charge and discharge device;
Fig. 3 is the circuit diagram of the vehicle-mounted charge and discharge device of existing another kind;
Fig. 4 is the block diagram for the dynamical system of electric automobile according to an embodiment of the invention;
Fig. 5 is the topological diagram for the dynamical system of electric automobile according to an embodiment of the invention;
Fig. 6 is the further block diagram for the dynamical system of electric automobile according to an embodiment of the invention;
Fig. 7 is the function decision flow chart for the dynamical system of electric automobile according to an embodiment of the invention;
Fig. 8 is that the dynamical system for electric automobile is carried out drive and control of electric machine function according to an embodiment of the inventionBlock diagram;
Fig. 9 is the flow process of the electricity recognition methods processed of external power source when charging electric vehicle according to an embodiment of the inventionFigure;
Figure 10 is that the dynamical system charging/discharging function for electric automobile starts judgement stream according to an embodiment of the inventionCheng Tu;
Figure 11 is the control under battery charger operation mode for the dynamical system of electric automobile according to an embodiment of the inventionFlow chart processed;
Figure 12 be according to an embodiment of the invention for the dynamical system of electric automobile in the time that charging electric vehicle finishesControl flow chart; And
Figure 13 is the signal of the electricity recognition device processed of external power source when charging electric vehicle according to an embodiment of the inventionFigure.
Detailed description of the invention
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, wherein identical from start to finishOr similarly label represents same or similar element or has the element of identical or similar functions. Below by retouching with reference to accompanying drawingThe embodiment stating is exemplary, is intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width "," thickness ", " on ", D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward "," clockwise ", " counterclockwise " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be only forBe convenient to describe the present invention and simplified characterization, instead of the device of instruction or hint indication or element must have specific orientation,With specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as instruction or hint relative importance orThe implicit quantity that indicates indicated technical characterictic. Thus, the feature that is limited with " first ", " second " can be expressed or be hiddenComprise one or more these features containing ground. In description of the invention, the implication of " multiple " is two or more,Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the arts such as term " installation ", " being connected ", " connection ", " fixing "Language should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connects integratedly; Can beMechanical connection can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be twoThe connection of individual element internal. For the ordinary skill in the art, can understand as the case may be above-mentioned term existsConcrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score canComprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but by itBetween the contact of other feature. And, First Characteristic Second Characteristic " on ", " top " and " above " compriseOne feature directly over Second Characteristic and oblique upper, or only represents that First Characteristic level height is higher than Second Characteristic. TheOne feature Second Characteristic " under ", " below " and " below " comprise First Characteristic directly over Second Characteristic and oblique upper,Or only represent that First Characteristic level height is less than Second Characteristic.
Describe with reference to the accompanying drawings the dynamical system for electric automobile proposing according to the embodiment of the present invention and haveThe electric automobile of this dynamical system.
As shown in Figure 4, one embodiment of the invention propose the dynamical system for electric automobile comprise electrokinetic cell 10,Charging/discharging socket 20, two-way DC/DC module 30, driving gauge tap 40, two-way DC/AC module 50, motorGauge tap 60, discharge and recharge control module 70 and controller module 80.
Wherein, the first DC terminal a1 of two-way DC/DC module 30 is connected with the other end of electrokinetic cell 10, two-wayThe second DC terminal a2 of DC/DC module 30 is connected with one end of electrokinetic cell 10, and the first DC terminal a1 is twoThe common DC end of inputting and exporting to DC/DC module 30. Drive one end and the electrokinetic cell 10 of gauge tap 40One end be connected, drive the other end of gauge tap 40 and the 3rd DC terminal a3 of two-way DC/DC module 30 to be connected.The first DC terminal b1 of two-way DC/AC module 50 is connected with the other end that drives gauge tap 40, two-way DC/ACThe second DC terminal b2 of module 50 is connected with the other end of electrokinetic cell 10, and one end of motor control switch 60 is with twoInterchange end c to DC/AC module 50 is connected, and the other end of motor control switch 60 is connected with motor M. Charge and dischargeThe end c that exchanges of one end of electric control module 70 and two-way DC/AC module 50 is connected, and discharges and recharges control module 70The other end is connected with charging/discharging socket 20. Controller module 80 and driving gauge tap 40, motor control switch 60With discharge and recharge control module 70 and be connected, controller module 80 is for according to the current residing mode of operation pair of dynamical systemDrive gauge tap 40, motor control switch 60 and discharge and recharge control module 70 and control.
Further, in an embodiment of the present invention, the current residing mode of operation of dynamical system can comprise drive pattern andCharge and discharge mode. In the time that the current residing mode of operation of dynamical system is drive pattern, controller module 80 is controlled and is drivenGauge tap 40 closures to be to close two-way DC/DC module 30, and control motor control switch 60 closures with drivenMotor M, and control and discharge and recharge control module 70 and disconnect. It should be noted that, in an embodiment of the present invention, thoughSo in Fig. 5, motor control switch 60 has comprised three switches that are connected with motor three-phase input, still of the present invention itsIn he embodiment, also can comprise two switches that are connected with the input of motor two-phase, even a switch. Needing only at this can be realThe now control to motor. Therefore, other embodiment do not repeat them here.
In the time that the current residing mode of operation of dynamical system is charge and discharge mode, controller module 80 is controlled to drive to control and is openedClose and 40 disconnect starting two-way DC/DC module 30, and control motor control switch 60 and disconnect that motor M is shifted out,And control discharge and recharge control module 70 closures, external power source can normally be charged for electrokinetic cell 10.The first DC terminal a1 of two-way DC/DC module 30 is connected with the positive and negative terminal of dc bus with the 3rd DC terminal a3.
In one embodiment of the invention, as shown in Figure 5, also comprise that for the dynamical system of electric automobile first is pre-One end of filling control module 101, the first preliminary filling control modules 101 is connected with one end of electrokinetic cell 10, the first preliminary fillingThe other end of control module 101 is connected with the second DC terminal a2 of two-way DC/DC module 30, the first preliminary filling control mouldPiece 101 is being for carrying out precharge for capacitor C 1 and the bus capacitor C0 of two-way DC/DC module 30, wherein,Bus capacitor C0 is connected to of the first DC terminal a1 of two-way DC/DC module 30 and two-way DC/DC module 30Between three DC terminal a3. Wherein, the first preliminary filling control module 101 comprises the first resistance R 1, the first K switch 1 andTwo K switch 2. One end of the first resistance R 1 is connected with one end of the first K switch 1, the other end of the first resistance R 1 withOne end of electrokinetic cell 10 is connected, the second DC terminal of the other end of the first K switch 1 and two-way DC/DC module 30A2 is connected, in parallel with second switch K2 after the first resistance R 1 and the first K switch 1 series connection, wherein, and controller mouldPiece 80 in dynamical system startup control system the first K switch 1 closure with the capacitor C 1 in two-way DC/DC module 30And bus capacitor C0 carries out precharge, and become preset multiple at the voltage of bus capacitor C0 with the voltage of electrokinetic cell 10Time, control the first K switch 1 disconnects controls second switch K2 closure simultaneously.
As shown in Figure 5, two-way DC/DC module 30 further comprise the first switching tube Q1, second switch pipe Q2,The first diode D1, the second diode D2, the first inductance L 1 and the first capacitor C 1. Wherein, the first switching tube Q1Q2 is connected in series mutually with second switch pipe, and the first switching tube Q1 and the second switch pipe Q2 of series connection are connected to mutuallyBetween the first DC terminal a1 and the 3rd DC terminal a3 of two-way DC/DC module 30, the first switching tube Q1 and second opensClose the control of the controlled device module 80 of pipe Q2, and have first between the first switching tube Q1 and second switch pipe Q2Node A. The first diode D1 and the first switching tube Q1 reverse parallel connection, the second diode D2 and second switch pipe Q2Reverse parallel connection, one end of the first inductance L 1 is connected with first node A, the other end of the first inductance L 1 and electrokinetic cellOne end of 10 is connected. One end of the first capacitor C 1 is connected with the other end of the first inductance L 1, the first capacitor C 1 anotherOne end is connected with the other end of electrokinetic cell 10.
In addition, in an embodiment of the present invention, as shown in Figure 5, this dynamical system that is used for electric automobile also comprises leakageElectric current is cut down module 102, and leakage current reduction module 102 is connected to the first DC terminal a1 of two-way DC/DC module 30And between the 3rd DC terminal a3 of two-way DC/DC module 30. Particularly, leakage current is cut down module 102 and is comprised theOne end of two capacitor C 2 and the 3rd capacitor C 3, the second capacitor C 2 is connected with one end of the 3rd capacitor C 3, the second electric capacityThe other end of C2 is connected with the first DC terminal a1 of two-way DC/DC module 30, and the other end of the 3rd capacitor C 3 is with twoThe 3rd DC terminal a3 to DC/DC module 30 is connected, and wherein, between the second capacitor C 2 and the 3rd capacitor C 3, hasSection Point B.
Inversion and the grid-connected system of conventionally isolating due to transless, the difficult point that ubiquity leakage current is large. Therefore, shouldDynamical system increases leakage current at dc bus positive and negative terminal and cuts down module 102, can effectively reduce leakage current. Leakage current is cut downModule 102 comprises two capacitor C 2 of the same type and C3, and it is arranged on dc bus positive and negative terminal and three-phase alternating current mid point electricityBetween position, in the time that native system is worked, the high frequency electric of generation can be fed back to DC side, the system that can effectively reduce existsHigh-frequency leakage current when work.
In one embodiment of the invention, as shown in Figure 5, this dynamical system that is used for electric automobile also comprises filteringModule 103, filtering control module 104, EMI module 105 and the second preliminary filling control module 106.
Wherein, filtration module 103 is connected to two-way DC/AC module 50 and discharges and recharges between control module 70. Specifically, as shown in Figure 5, filtration module 103 comprises inductance LA、LB、LCWith capacitor C 4, C5, C6, and two-wayDC/AC module 50 can comprise six IGBT, and the tie point between upper and lower two IGBT passes through respectively electrical busBe connected with motor control switch 60 with filtration module 103.
As shown in Figure 5, filtering control module 104 is connected between Section Point B and filtration module 103, and filterThe controlled device module 80 of ripple control module 104 is controlled, and controller module 80 is at the current residing Working mould of dynamical systemWhen formula is drive pattern, controlling filtering control module 104 disconnects. Wherein, filtering control module 104 can be cut for electric capacityChange relay, by contactor, K10 forms. EMI module 105 is connected to charging/discharging socket 20 and discharges and recharges control moduleBetween 70. It should be noted that, in Fig. 5, the position of contactor k10 is only schematic. Of the present invention otherIn embodiment, contactor K10 also can be located at other positions, as long as can realize the shutoff to filtration module 103.For example, in another embodiment of the present invention, this contactor K10 also can be connected to two-way DC/AC module 50And between filtration module 103.
The second preliminary filling module 106 is with to discharge and recharge control module 70 in parallel, and the second preliminary filling control module 106 is for to filteringCapacitor C 4, C5, C6 in module 103 carry out precharge. Wherein, the second preliminary filling control module 106 comprises mutuallyThree resistance R of series connectionA、RB、RCWith three-phase preliminary filling K switch 9.
In one embodiment of the invention, as shown in Figure 5, discharge and recharge control module 70 and further comprise threephase switchK8 and/or single-phase switch K7, for realizing, three-phase discharges and recharges or single-phase discharging and recharging.
In an embodiment of the present invention, in the time that dynamical system starts, controller module 80 is controlled the first K switch 1 closureSo that the first capacitor C 1 and bus capacitor C0 in two-way DC/DC module 30 are carried out to precharge, and at bus capacitorWhen the voltage of C0 becomes preset multiple with the voltage of electrokinetic cell 10, control the first K switch 1 and disconnect and control second simultaneously and openClose K2 closure. Like this, by two-way DC/DC module 30 with to be directly connected to electrical bus be between dc busLarge capacity bus capacitor C0 composition is realized the critical piece of battery low-temp activation technology, for by the electricity of electrokinetic cell 10Can be charged in large capacity bus capacitor C0 by two-way DC/DC module 30, then will in large capacity bus capacitor C0, store upWhen the electric energy of depositing fills back electrokinetic cell 10(to power battery charging by two-way DC/DC module 30), to powerBattery 10 cycle charge-discharges make the temperature rise of electrokinetic cell to optimum working temperature scope.
In the time that the current residing mode of operation of dynamical system is drive pattern, controller module 80 is controlled and is driven gauge tap40 closures to be to close two-way DC/DC module 30, and control motor control switch 60 closures with driven motor M,And control and discharge and recharge control module 70 and disconnect. Like this, by two-way DC/AC module 50 electrokinetic cell 10DC inverter is alternating current and flows to motor M, can utilize rotation transformation decoder technique and space vector pulsewidthModulation (SVPWM) control algolithm is controlled the operation of motor M.
In the time that the current residing mode of operation of dynamical system is charge and discharge mode, controller module 80 is controlled to drive to control and is openedClose and 40 disconnect starting two-way DC/DC module 30, and control motor control switch 60 and disconnect that motor M is shifted out,And control discharge and recharge control module 70 closures, make for example three-phase electricity of external power source or single-phase electricity pass through charging/discharging socket20 can normally charge for electrokinetic cell 10. I.e. speech, is charged and is connected signal, AC network electricity system by detectionWith the relevant information of car load battery management, use two-way DC/AC module 50 and carry out controlled rectification function, and in conjunction with twoTo DC/DC module 30, can realize single-phase the charging of three-phase electricity to vehicle mounted dynamic battery 10.
According to the dynamical system for electric automobile of the embodiment of the present invention, can realize and use civilian or industrial alternating currentNet carries out high power AC charging to electric automobile, make user can be whenever and wherever possible efficiently, charging efficiently, saving is filledThe electricity time, simultaneously without constant-pressure control device and constant-current control device, save space and cost, and applicable battery workMake voltage range wide.
In addition, in an embodiment of the present invention, as shown in Figure 6, this dynamical system that is used for electric automobile can also be wrappedDraw together high-tension distribution box 90, instrument 107, battery manager 108 and car load signal 109. Wherein, drive gauge tap40, the first K switch 1 and second switch K2 can be arranged in high-tension distribution box 90.
In the time that this dynamical system obtains electric work, as shown in Figure 7, this systemic-function judges that flow process comprises the following steps:
S701, dynamical system obtains electric.
S702, judgement charging connects signal. If there is charging to connect signal, go to step S703, if not,Go to step 704.
S703, enters and discharges and recharges control flow. In one embodiment of the invention, also need throttle, gear andBrake signal judges. When throttle is 0, gear is N shelves, parking brake, charging connect be CC signal when effective (Charging/discharging socket 20 is connected with charging connecting device), enter and discharge and recharge control flow.
S704, enters vehicle control flow.
Enter after vehicle control flow at step S704, controller module 80 is controlled motor control switch 60 closures, logicalCross CAN communication notice battery manager 108, battery manager 108 is controlled high-tension distribution box 90 C1 and C0 is enteredRow preliminary filling, controller module 80 detects busbar voltage 187, judges that whether preliminary filling is successful, notice battery management after successThe closed gauge tap 40 that drives of device 108, this system enters drive pattern, and controller module 80 enters car load information simultaneouslyRow gathers, and is processed motor M is driven by comprehensive judgement.
Carry out drive and control of electric machine function: as shown in Figure 8, controller module 80 sends pwm signal, to two-way DC/ACModule 50 is controlled, and is alternating current and flows to motor M, controller mould the DC inverter of electrokinetic cell 10Piece 80 resolves rotor-position by rotary transformer, and gathers busbar voltage and motor BC phase current and make the motor M can essenceAccurate operation. I.e. speech, controller module 80 becomes according to the motor BC phase current signal of current sensor sampling and rotationThe feedback information of depressor regulates pwm signal, finally makes motor M move accurately.
Like this, to car load throttle, brake and gear information, judge current operating condition by communication module, realizeAcceleration, deceleration and the energy feedback function of vehicle, make car load lower safe and reliable operation under various operating modes, ensures carSecurity, dynamic property and ride comfort.
As shown in Figure 9, the electricity recognition methods processed of external power source when the charging electric vehicle of the embodiment of the present invention, comprise asLower step:
Step S901, the electricity system of external power source identification socket when charging gun is inserted to charging electric vehicle. Wherein, chargingRifle is connected with external power source.
Step S902, after charging gun and charging socket are confirmed to be connected, obtains the first-phase voltage of charging socket inputThe first zero and the second zero point, and obtain the virtual value of first-phase voltage to third phase voltage. At one of the present inventionIn embodiment, the first zero is rising edge zero point, and be rising edge zero point or trailing edge zero point described the second zero point; Or,In another embodiment of the present invention, the first zero is trailing edge zero point, described the second zero point be rising edge zero point orTrailing edge zero point.
Particularly, in the time that electric automobile is plugged charging gun, catch adjacent two rising edge zero points of A phase voltage, with thisCalculate line voltage cycle and frequency, and calculate the virtual value of first-phase voltage to third phase voltage.
Step S903, according to the first zero with obtain the frequency information of external power source the second zero point.
Step S904, determines external power source according to first-phase voltage to the virtual value of third phase voltage and frequency informationElectricity system.
If first-phase voltage to the virtual value of third phase voltage and frequency within respective standard regulation valid value range,Respective standard can be Europe superscript, GB, American Standard, enters respective electrical charge mode processed. Different electricity systems adopts differentControl strategy control high-power charging.
Particularly, first-phase voltage to the virtual value of third phase voltage judges that external power source is single phase poaer supply or three phase mains,And select corresponding charge mode according to judged result.
(1) in the time that first-phase voltage to the virtual value of third phase voltage is all greater than the first preset value, judge external power sourceFor three phase mains. After judging that external power source is three phase mains, also comprise: open corresponding three-phase bridge rectification module.
Then, obtain the first-phase voltage of external power source to the phase sequence between third phase voltage, and according to judging phase order instituteWhether the phase sequence of stating external power source is correct.
In the time that first-phase voltage is rising edge zero point, if the instantaneous voltage value of second-phase voltage is less than zero, and third phaseThe instantaneous voltage value of voltage is greater than zero, judges that the phase sequence of external power source is correct, otherwise judges the phase sequence mistake of external power sourceMistake.
In one embodiment of the invention, after judging the phase sequence mistake of external power source, also comprise: pass through anti-phaseRegulation strategy is adjusted the phase sequence of external power source.
(2) when first-phase voltage is greater than the first preset value, when second-phase voltage and third phase voltage are less than the second preset value,Judge that external power source is single phase poaer supply. Wherein, the second preset value is less than the first preset value.
In one embodiment of the invention, determine the electricity system of external power source in step S904 after, also comprise: according toThe electricity system of external power source is selected corresponding charging strategy.
Selecting according to step S904 after corresponding charging strategy, dynamical system starts charging/discharging function.
Electric automobile adopts above-mentioned electricity automatic identifying method processed, can be according to the slotting different automatic decision charge power supply state of robbing,And select correspondingly control strategy to control high-power charging.
Below in conjunction with Figure 10 to Figure 12, the dynamical system charging/discharging function for electric automobile is described.
(1) charging/discharging function connects confirmation and starts: as shown in figure 10, this dynamical system charging/discharging function starts to be sentencedCutout journey comprises the steps:
S1101, charge-discharge connecting device is that charging/discharging socket physical connection completes, and power supply is normal.
S1102, whether power supply unit detects charging signals CC and connects normal. If so, enter step S1103;If not, return to step S1102, continue to detect.
S1103, whether the voltage that power supply unit detects CP test point is 9V. If so, enter step S1106;If not, return to step S1102, continue to detect. Wherein, 9V is a default example value.
S1104, whether controller module detects charging signals CC and connects normal. If so, enter step S1105;If not, return to step S1104, continue to detect.
S1105, drags down output charging and connects signal, charging indicator light signal.
S1106, enters charging/discharging function.
As shown in figure 11, the control flow of this dynamical system under battery charger operation mode comprises the steps:
S1201, judges system obtains after electric whether start work completely. If so, enter step S1202; If not,Return to step S1201, continue judgement.
S1202, detects CC test point resistance value, determines charging connecting device capacity.
S1203, judges whether CP test point detects the pwm signal of fixed duty cycle. If so, enter stepRapid S1204; If not, enter step S1205.
S1204, sends charging connection and charges normal ready message, receives that BMS charging allows, charging contactorAdhesive message, enters step S1206.
S1205, fills electrical connection fault.
S1206, controller module adhesive internal switch.
S1207, judges that Preset Time for example detects in 1.5 seconds whether external charging equipment sends without PWM ripple. AsFruit is to enter step S1208; If not, enter step S1209.
S1208, is judged as outside GB charging pile, does not send PWM ripple in charging process.
S1209, sends PWM ripple to power supply unit.
S1210, judges whether Preset Time for example detects interchange input in 3 seconds normal. If so, enter stepS1213; If not, enter step S1211.
S1211, exchanges external charging equipment fault.
S1212, carries out abnormality processing.
S1213, enters the charging stage.
That is to say, as shown in Figure 10 and Figure 11, after power supply unit and controller module 80 self-inspection fault-free, according toDetect CC signal voltage value and determine charging connecting device capacity, detect CP signal and determine whether to connect completely, discharge and rechargeJockey connects after confirmation completely, sends charging and connects the normal and ready message of charging, battery manager 108Control closed the first K switch 1 of high-tension distribution box 90 and carry out preliminary filling, after preliminary filling completes, disconnect K1, adhesive second switchK2, controller module 80 receives that BMS charging allows, second switch K2 adhesive message, discharge and recharge ready,Can function be set by instrument, as follows: AC charging function (GtoV, electrical network is to electric automobile), to carry from guipureFunction (VtoL, electric automobile is to load), grid-connected function (VtoG, electric automobile is to electrical network) and vehicle are to carCharge function (VtoV, electric automobile is to electric automobile).
(2) AC charging function (GtoV): this dynamical system receives instrument charging instruction, battery manager 108Allowing maximum charging current, the maximum supply current of power supply unit and charge-discharge connecting device is the specified of charging/discharging socket 20Electric current, controller module 80 judges charging current minimum in three, automatically selects charging relevant parameter. And, shouldDynamical system is sampled by the line voltage alternating current that the 183 pairs of power supply units carry of sampling, and controller module 80 is logicalOver-sampling value calculates alternating current voltage virtual value, determines ac frequency, according to magnitude of voltage and frequency by catchingJudge alternating current electricity system, choose control parameter according to electrical network electricity system. Determine and control after parameter, controller module 80 is controlledMake the contactor K10 adhesive in K9 and the filtering control module 104 in the second preliminary filling module 106, to DC side motherLine capacitance C0 charges, and controller module 80 is sampled by the voltage of 187 pairs of bus capacitors, when electric capacity electricityPressure reaches selected control after parameter for example becomes preset multiple with the voltage of electrokinetic cell and controls adhesive threephase switch K8 again, withTime disconnect K9. Now this dynamical system is according to chosen in advance parameter, and controller module 80 sends pwm signal, controlsTwo-way DC/AC module 50 is carried out rectification to alternating current, then according to electrokinetic cell voltage, controls two-way DC/DC module30 pairs of voltages regulate, and finally direct current are flowed to electrokinetic cell 10, in this process, and controller module 80The phase current feeding back according to chosen in advance target charging current and current sample 184, carries out closed loop to whole dynamical systemElectric current loop regulate, final realization charged to vehicle mounted dynamic battery 10. Thus, by detection charge connect signal,The relevant information of AC network electricity system and car load battery management, uses two-way DC/AC module 50 and carries out controlled rectification meritCan, in conjunction with two-way DC/DC module 30, can realize single-phase the charging of three-phase electricity to vehicle mounted dynamic battery 10.
(3) carry function (VtoL) from guipure: this dynamical system receives instrument VtoL instruction, first judgement is movingPower battery charge state SOC, whether in dischargeable range, if allow electric discharge, then selects output electrical system according to instruction,According to the rated current of charge-discharge connecting device, intelligent selection output peak power output given control parameter, systemEnter control flow. First controller module 80 is controlled adhesive threephase switch K8, contactor K10, according to battery electricityPress and given output voltage, send the two-way DC/DC module 30 of pwm signal control voltage is regulated, reachBe alternating current to flowing to two-way DC/AC module 50 after desired value DC inverter, by special charging socketCan be directly consumer power supply. In this process, controller module 80 is adjusted according to voltage sample 183 feedbacksJoint, the work that proof load is safe and reliable.
I.e. speech, system powers on, and when receiving VtoL control instruction and the output electrical system requirement of instrument, detects charging and connectsConnect the relevant information of signal and car load battery management, carry out DC/DC voltage transitions according to the voltage of battery, use two-wayDC/AC module 50 is carried out ac converter function, stable output single-phase three-phase alternating voltage.
(4) grid-connected function (VtoG): this dynamical system receives instrument VtoG instruction, first judges power electricPond SOC, whether in dischargeable range, if allow electric discharge, then selects output electrical system according to instruction, according to discharging and rechargingThe rated current of jockey, intelligent selection output peak power output given control parameter, dynamical system enters controlFlow process processed. First controller module 80 is controlled adhesive threephase switch K8, contactor K10, according to cell voltage with giveFixed output voltage, sends the two-way DC/DC module 30 of pwm signal control voltage is regulated, two in processBe alternating current to DC/AC module 50 DC inverter, according to chosen in advance discharge current desired value and current sampleThe phase current of 184 feedbacks, the electric current loop that whole dynamical system is carried out to closed loop regulates, and realizes grid-connected electric discharge.
That is to say, dynamical system powers on, when receiving the VtoG control instruction of instrument, detection charging connection signal,The relevant information of AC network electricity system and car load battery management, carries out DC/DC voltage transitions according to the voltage of battery, borrowsCarry out ac converter by two-way DC/AC module 50, realize single-phase three-phase vehicle to electrical network discharging function.
(5) vehicle is to Vehicular charging function (VtoV): VtoV function need to be used special attachment plug, whenIt is effective that dynamical system detects that charging connects signal CC, and detect that its level confirms as VTOV special charging plug,Wait for instrument order. For example, suppose that vehicle A is to vehicle B charging, vehicle A is set to discharge condition and is set toCarry function from guipure, vehicle B is set to AC charging state, and the controller module of vehicle A sends charging and connects normalCharge ready message to battery manager, battery manager control charging and discharging circuit preliminary filling, transmission charging after completingPermission, charging contactor adhesive message are to controller module, and this dynamical system is carried out discharging function, and send PWM letterNumber. Vehicle B receives after charging instruction, and its system detects CP signal, is judged as power supply vehicle A and has just preparedThread, controller module 80 sends and connects normal message to battery manager, and battery manager completes preliminary filling after receiving instructionFlow process, notification controller module, whole dynamical system charging is ready, starts charge function (GtoV), lastRealize vehicle to filling function.
That is to say, system powers on, and when receiving the VtoV control instruction of instrument, detects charging and connects signal and car loadThe relevant information of battery management, arranges vehicle for exchanging out-put supply state, simulates external charging equipment output CP simultaneouslySemiotic function, realizes and needs the vehicle of charging to carry out alternately. This vehicle carries out DC/DC voltage according to the voltage of batteryConversion, use two-way DC/AC module 50 and carry out ac converter, realize single-phase three-phase vehicle to vehicle to filling function.
In one embodiment of the invention, as shown in figure 12, the control of this dynamical system in the time that charging electric vehicle finishesFlow process processed comprises the steps:
S1301, power supply unit disconnects power switch, stops exchanging output, enters step S1305.
S1302, controller module control stops charging, unloads, and enters next step S1303.
S1303, has unloaded rear breaking inner switch, sends charging end message.
S1304, sends power down request.
S1305, charging finishes.
The electricity recognition methods processed of external power source during according to the charging electric vehicle of the embodiment of the present invention, according to external power supplySituation, the standard of the electricity system of automatic decision access, and according to result of determination, automatically select correspondingly control strategy to enterRow charging, selects different control strategies to realize the charging of different electrical power type thus, has saved structure hardware circuitCost, also make the compatibility of charging system better, reliability is higher. In addition the electronic vapour of the embodiment of the present invention,When car charging, the electricity recognition methods processed of external power source can be set in two-way inversion charging/discharging type electric machine controller.
Below with reference to Figure 13, the electricity recognition device processed of external power source is retouched during to the charging electric vehicle of the embodiment of the present inventionState.
As shown in figure 13, the electricity recognition device 1400 processed of external power source comprises when the charging electric vehicle of the embodiment of the present invention:Charging socket 1401, acquisition module 1402 and electricity identification module 1403 processed.
Particularly, charging socket 1401 is for inserting and interconnect with charging gun. Wherein, charging gun and external power source phaseConnect.
Acquisition module 1402, for after charging gun is confirmed to be connected with charging socket 1401, obtains charging socket 1401The first zero and second zero point of the first-phase voltage of input, and obtain the virtual value of first-phase voltage to third phase voltage,And according to the described first zero with obtain the frequency information of described external power source the second zero point.
Electricity identification module 1403 processed is for virtual value and the described frequency information to third phase voltage according to first-phase voltageDetermine the electricity system of external power source.
In addition, the electricity recognition device 1400 processed of external power source when the charging electric vehicle of the embodiment of the present invention, also comprises:Mode decision module, for judging that according to first-phase voltage to the virtual value of third phase voltage external power source is single phase poaer supplyOr three phase mains, and select corresponding charge mode according to judged result.
(1) in the time that first-phase voltage to the virtual value of third phase voltage is all greater than the first preset value, mode decision moduleJudge that described external power source is three phase mains.
When the charging electric vehicle of the embodiment of the present invention, the electricity recognition device 1400 processed of external power source, also comprises: phase sequence analysisModule, after judging that in mode decision module described external power source is three phase mains, obtains first of external power sourceWhether phase voltage is to the phase sequence between third phase voltage, and correct according to the phase sequence of external power source described in judging phase order.
In the time that first-phase voltage is rising edge zero point, if the instantaneous voltage value of second-phase voltage is less than zero, and third phaseThe instantaneous voltage value of voltage is greater than zero, and phase sequence analysis module judges that the phase sequence of external power source is correct, otherwise phase sequence analysisModule judges the phase sequence mistake of described external power source.
In addition, the electricity recognition device 1400 processed of external power source when the charging electric vehicle of the embodiment of the present invention, also comprises:Adjusting module, when judging the phase sequence mistake of external power source at phase sequence analysis module, external by anti-phase regulation strategyThe phase sequence of portion's power supply is adjusted.
(2), when first-phase voltage is greater than described the first preset value, second-phase voltage and third phase voltage are less than second to be presetWhen value, mode decision module judges that described external power source is single phase poaer supply. Wherein, the second preset value is less than first pre-If value.
In one embodiment of the invention, the electricity system of external power source identification dress when the charging electric vehicle of the embodiment of the present inventionPut 1400, also comprise: charge control module. This charge control module is corresponding for selecting according to the electricity system of external power sourceCharging strategy.
And charge control module is also for after judging that external power source is three phase mains, open corresponding three-phase bridge wholeFlow module.
The electricity recognition device processed of external power source during according to the charging electric vehicle of the embodiment of the present invention, according to external power supplySituation, the standard of the electricity system of automatic decision access, and according to result of determination, automatically select correspondingly control strategy to enterRow charging, selects different control strategies to realize the charging of different electrical power type thus, has saved structure hardware circuitCost, also make the compatibility of charging system better, reliability is higher.
In addition, the electricity recognition device processed of external power source can be set to two-way when the charging electric vehicle of the embodiment of the present inventionIn inversion charging/discharging type electric machine controller.
Any process of otherwise describing in flow chart or at this or method are described and can be understood to, represent to compriseOne or more is for realizing module, the fragment of code of executable instruction of step of specific logical function or processOr part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can be not according to shown orThe order of discussing, comprises according to related function by the mode of basic while or by contrary order, carries out function,This should be understood by embodiments of the invention person of ordinary skill in the field.
The logic and/or the step that in flow chart, represent or otherwise describe at this, for example, can be considered to for realityThe sequencing list of the executable instruction of existing logic function, may be embodied in any computer-readable medium, for instructionExecutive system, device or equipment (as computer based system, comprise that the system of processor or other can carry out from instructionSystem, device or equipment instruction fetch are also carried out the system of instruction) use, or in conjunction with these instruction execution systems, install or establishStandby and use. With regard to this description, " computer-readable medium " can be anyly can comprise, store, communicate by letter, propagateOr transmission procedure uses for instruction execution system, device or equipment or in conjunction with these instruction execution systems, device or equipmentDevice. The example more specifically (non-exhaustive list) of computer-readable medium comprises following: have one or more clothThe electrical connection section (electronic installation) of line, portable computer diskette box (magnetic device), random-access memory (ram), onlyMemory read (ROM), the erasable read-only storage (EPROM or flash memory) of editing, fiber device, andPortable optic disk read-only storage (CDROM). In addition, computer-readable medium can be even can print thereon described inThe paper of program or other suitable media, because can, for example by paper or other media are carried out to optical scanner, then carry outEditor, decipher or process in electronics mode and obtain described program with other suitable methods if desired, then by its storageIn computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination. In above-mentioned realityExecute in mode, multiple steps or method can be with the software being stored in memory and carried out by suitable instruction execution system orFirmware is realized. For example, if realized with hardware, with the same in another embodiment, available well known in the art underAny one in row technology or their combination realize: have the logic gates for data-signal being realized to logic functionDiscrete logic, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), existingField programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is canComplete to carry out the hardware that instruction is relevant by program, described program can be stored in a kind of computer-readable recording medium,This program, in the time carrying out, comprises step of embodiment of the method one or a combination set of.
In addition, the each functional unit in each embodiment of the present invention can be integrated in a processing module, can be also eachThe independent physics in individual unit exists, and also can be integrated in a module two or more unit. Above-mentioned integrated module bothCan adopt the form of hardware to realize, also can adopt the form of software function module to realize. If described integrated module withThe form of software function module realizes and as production marketing independently or while using, also can be stored in a computer-readableGet in storage medium.
The above-mentioned storage medium of mentioning can be read-only storage, disk or CD etc.
In the description of this description, reference term " embodiment ", " some embodiment ", " example ", " concrete example ",Or the description of " some examples " etc. means specific features, structure, material or the feature bag described in conjunction with this embodiment or exampleBe contained at least one embodiment of the present invention or example. In this manual, to the schematic statement of above-mentioned term not necessarilyRefer to identical embodiment or example. And specific features, structure, material or the feature of description can be anyIn one or more embodiment or example with suitable mode combination.
Although illustrated and described embodiments of the invention above, be understandable that, above-described embodiment is exemplary,Can not be interpreted as limitation of the present invention, those of ordinary skill in the art is not departing from the situation of principle of the present invention and aimUnder can change above-described embodiment within the scope of the invention, amendment, replacement and modification.

Claims (10)

1. an electricity recognition methods processed for external power source when charging electric vehicle, is characterized in that, comprises the following steps:
Charging socket when charging gun is inserted to described charging electric vehicle, wherein, described charging gun is connected with external power source;
After described charging gun and described charging socket are confirmed to be connected, obtain first-phase voltage that described charging socket inputsThe first zero and the second zero point, and obtain the virtual value of described first-phase voltage to third phase voltage;
According to the described first zero with obtain the frequency information of described external power source the second zero point; And
Determine the electricity of described external power source to the virtual value of third phase voltage and described frequency information according to described first-phase voltageSystem, wherein,
Judge that according to described first-phase voltage to the virtual value of third phase voltage described external power source is single phase poaer supply or three-phase electricitySource, and select corresponding charge mode according to judged result, described judge that described external power source is three phase mains after, obtainGet the first-phase voltage of described external power source to the phase sequence between third phase voltage, and according to outside electricity described in described judging phase orderWhether the phase sequence in source is correct, wherein, and in the time that described first-phase voltage is rising edge zero point, if the instantaneous electricity of second-phase voltagePressure value is less than zero, and the instantaneous voltage value of described third phase voltage is greater than zero, judges that the phase sequence of described external power source is correct,Otherwise judge the phase sequence mistake of described external power source;
After judging the phase sequence mistake of described external power source, by anti-phase regulation strategy, the phase sequence of described external power source is carried outAdjust.
2. the electricity recognition methods processed of external power source when charging electric vehicle as claimed in claim 1, is characterized in that, described inThe first zero is rising edge zero point, and be rising edge zero point or trailing edge zero point described the second zero point; Or, the described first zeroFor trailing edge zero point, be rising edge zero point or trailing edge zero point described the second zero point.
3. the electricity recognition methods processed of external power source when charging electric vehicle as claimed in claim 1, is characterized in that, reallyAfter the electricity system of fixed described external power source, also comprise:
Select corresponding charging strategy according to the electricity system of described external power source.
4. the electricity recognition methods processed of external power source when charging electric vehicle as claimed in claim 1, is characterized in that,
In the time that described first-phase voltage to the virtual value of third phase voltage is all greater than the first preset value, judge described external power sourceFor three phase mains;
When the virtual value of described first-phase voltage is greater than described the first preset value, and described second-phase voltage and third phase voltageWhen virtual value is all less than the second preset value, judge that described external power source is single phase poaer supply, wherein, described the second preset value is littleIn described the first preset value.
5. the electricity recognition methods processed of external power source when charging electric vehicle as claimed in claim 1, is characterized in that, in instituteState and judge that described external power source is after three phase mains, also comprises:
Open corresponding three-phase bridge rectification module.
6. an electricity recognition device processed for external power source when charging electric vehicle, is characterized in that, comprising:
Charging socket, for inserting and interconnect with charging gun, wherein, described charging gun is connected with external power source;
Acquisition module, for after described charging gun and described charging socket are confirmed to be connected, obtains described charging socket inputThe first zero and second zero point of first-phase voltage, and obtain the virtual value of described first-phase voltage to third phase voltage, withAnd according to the described first zero with obtain the frequency information of described external power source the second zero point;
Electricity identification module processed, for true to virtual value and the described frequency information of third phase voltage according to described first-phase voltageThe electricity system of fixed described external power source;
Mode decision module, for judging that according to described first-phase voltage to the virtual value of third phase voltage described external power source isSingle phase poaer supply or three phase mains, and select corresponding charge mode according to judged result;
Phase sequence analysis module, for described judge that described external power source is three phase mains after, obtain described external power sourceWhether first-phase voltage is to the phase sequence between third phase voltage, and correct according to the phase sequence of external power source described in described judging phase order,Wherein, in the time that described first-phase voltage is rising edge zero point, if the instantaneous voltage value of second-phase voltage is less than zero, and described inThe instantaneous voltage value of third phase voltage is greater than zero, and the phase sequence that described phase sequence analysis module judges described external power source is correct, noDescribed phase sequence analysis module judges the phase sequence mistake of described external power source; And
Adjusting module, in the time that described phase sequence analysis module judges the phase sequence mistake of described external power source, regulates by anti-phaseStrategy is adjusted the phase sequence of described external power source.
7. the electricity recognition device processed of external power source when charging electric vehicle as claimed in claim 6, is characterized in that, described inThe first zero is rising edge zero point, and be rising edge zero point or trailing edge zero point described the second zero point; Or, the described first zeroFor trailing edge zero point, be rising edge zero point or trailing edge zero point described the second zero point.
8. the electricity recognition device processed of external power source when charging electric vehicle as claimed in claim 6, is characterized in that, also bagDraw together:
Charge control module, for selecting corresponding charging strategy according to the electricity system of described external power source.
9. the electricity recognition device processed of external power source when charging electric vehicle as claimed in claim 6, is characterized in that,
In the time that described first-phase voltage to the virtual value of third phase voltage is all greater than the first preset value, described mode decision moduleJudge that described external power source is three phase mains;
When the virtual value of described first-phase voltage is greater than described the first preset value, and described second-phase voltage and third phase voltageWhen virtual value is all less than the second preset value, described mode decision module judges that described external power source is single phase poaer supply, wherein,Described the second preset value is less than described the first preset value.
10. the electricity recognition device processed of external power source when charging electric vehicle as claimed in claim 6, is characterized in that, alsoComprise:
Charge control module, for described judge that described external power source is three phase mains after, open corresponding three-phase bridge rectificationModule.
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CN103186109A (en) 2013-07-03
CN103187765B (en) 2015-09-30
CN103187771B (en) 2015-08-26
CN103187761A (en) 2013-07-03
CN103182948B (en) 2015-04-22
CN103187759A (en) 2013-07-03
CN103187762B (en) 2016-08-03
CN103187770B (en) 2015-12-02
CN103187760B (en) 2016-09-07
CN203120353U (en) 2013-08-07
CN103187758B (en) 2015-06-24
CN103338140A (en) 2013-10-02
CN103187765A (en) 2013-07-03
CN103187763A (en) 2013-07-03
CN103187767A (en) 2013-07-03
CN103187768A (en) 2013-07-03
CN103187779B (en) 2016-06-22
CN103187771A (en) 2013-07-03
CN103187762A (en) 2013-07-03
CN103187767B (en) 2015-04-22
CN103187760A (en) 2013-07-03
CN103187758A (en) 2013-07-03
CN103187772A (en) 2013-07-03
CN103182950A (en) 2013-07-03

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